Search Results - "Somody, L."

Vasopressin and A1 noradrenaline turnover during food or water deprivation in the rat by El Fazaa, S, Gharbi, N, Kamoun, A, Somody, L

“…In the present study, we have examined in Wistar rats the effects of food or water deprivation of 3 days on the hypophyso–adrenal axis, vasopressinergic system…”
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Regional blood flow in conscious rats after head-down suspension by Somody, L, Fagette, S, Blanc, S, Frutoso, J, Gharib, C, Gauquelin-Koch, G

“…Exposure to microgravity in humans causes cardiovascular deconditioning affecting blood pressure, heart rate and vascular responsiveness. This study…”
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Counteraction of spaceflight-induced changes in the rat central serotonergic system by adrenalectomy and corticosteroid replacement by Blanc, S, Somody, L, Gharib, A, Gauquelin, G, Gharib, C, Sarda, N

“…The effects of a 17-day spaceflight duration on serotonergic measures in various parts of rat brain have been studied (flight-SHAM group). The contribution of…”
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Effects of acute and chronic starvation on central and peripheral noradrenaline turnover, blood pressure and heart rate in the rat by El Fazaa, S., Somody, L., Gharbi, N., Kamoun, A., Gharib, C., Gauquelin-koch, G.

“…When faced with stress, an organism calls upon several mechanisms to maintain biological homeostasis. The cardiovascular system is the first to respond usually…”
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Assessment of autonomic cardiovascular indices in non-stationary data in rats by Pereira de Souza Neto, Edmundo, Custaud, Marc-Antoine, Somody, Laurence, Gharib, Claude

“…The analysis of heart rate in the frequency domain has become increasingly important in physiological studies, and supports the use of heart rate variability…”
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Central and peripheral sympathetic activities in rats during recovery from simulated weightlessness by Fagette, S, Somody, L, Bouzeghrane, F, Cottet-Emard, J M, Gharib, C, Gauquelin, G

“…Rats were tail suspended, keeping their forelimbs weight bearing for 14 days, and then allowed to recover for a short (6-h) or a long (24-h) period to assess…”
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Effect of a 14-day hindlimb suspension on β-adrenoreceptors in rats by Bouzeghrane, F, Somody, L, Gallo-Bona, N, Gauquelin-Koch, G, Gharib, C, Fagette, S

“…Exposure to long-term simulated microgravity exhibits reduced sympathetic nervous system activity. This study tested the hypothesis that the hypersensitivity…”
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Restraint vs. hindlimb suspension on fluid and electrolyte balance in rats by Bouzeghrane, F, Fagette, S, Somody, L, Allevard, A M, Gharib, C, Gauquelin, G

“…To determine the effect of hindlimb suspension on body fluid volume, salt and water balance, and relevant hormones, two series of experiments were performed in…”
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Blood pressure and heart rate determination by radiotelemetry in mice by Somody, L, Zhang, B L, Vincent, M, Gharib, C

“…Mice are not commonly used in cardiovascular physiology, especially in space physiology because of methodological problems. The initial studies that have…”
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Cardiovascular adaptations to parabolic flight in rats: a radio-telemetry feasibility study by Somody, L, Fagette, S, Frutoso, J, Gharib, C, Blanquie, J P, Gharib, T, Thierion, D, Gauquelin, G

“…This experiment was a feasibility study which consisted in investigating arterial blood pressure and heart rate to transient and repeated exposure to…”
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Analysis of the Role of the SA Gene in Blood Pressure Regulation by Gene Targeting by Walsh, Vanessa, Somody, Laurence, Farrell, Aldo, Zhang, Beili, Brown, Jane, Pritchard, Catrin, Vincent, Madeleine, Samani, Nilesh J

“…ABSTRACT—The SA gene is expressed in the proximal tubule of the kidney and may be involved in blood pressure (BP) regulation. However, direct evidence for this…”
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Use of Torecan (thiethylperazine) in surgery by Mammel, E, Somody, L, Póka, L

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Simulated weightlessness alters the nycthemeral distribution of energy expenditure in rats by Blanc, S, Géloën, A, Normand, S, Gharib, C, Somody, L

“…The energy metabolism adaptations to simulated weightlessness in rats by hindlimb tail suspension are unknown. 12 male rats were assigned to 7 days of…”
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Are energy metabolism alterations involved in cardiovascular deconditioning after weightlessness? An hypothesis by Blanc, S, Somody, L, Gharib, C

“…The physiopathogenesis of the cardiovascular deconditioning syndrome observed after actual and simulated microgravity is still under debate, despite numerous…”
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Energy expenditure and blood flows in thermoregulatory organs during microgravity simulation in rat. Emphasis on the importance of the control group by Blanc, Stéphane, Normand, Sylvie, Pachiaudi, Christiane, Gauquelin-Koch, Guillemette, Gharib, Claude, Somody, Laurence

“…Rat tail suspension is commonly used to mimic human physiology in space. However, energy metabolism adaptation and related autonomic responses are unknown. To…”
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Recording heart rate and blood pressure in rats during parabolic flight by Somody, Laurence, Fagette, Sophie, Frutoso, Jean, Gharib, Claude, Gauquelin, Guillemette

“…The way in which the cardiovascular system adapts to weightlessness is still under discussion. No data are yet available on the responses of rats during space…”
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Smoothed pseudo Wigner–Ville distribution as an alternative to Fourier transform in rats by Pereira de Souza Neto, Edmundo, Custaud, Marc-Antoine, Frutoso, Jean, Somody, Laurence, Gharib, Claude, Fortrat, Jacques-Olivier

“…Techniques for examining signals in the time and frequency domains are well-established tools. These tools have their limitations; they tell us in a broad…”
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Tissue norepinephrine turnover and cardiovascular responses during intermittent dehydration in the rat by Gharbi, Najoua, Somody, Laurence, Fazaaˆ, Saloua El, Kamoun, Abdelaziz, Gauquelin-Koch, Guillemette, Gharib, Claude

“…We investigated the central and peripheral sympathetic responses to intermittent dehydration in rats. The norepinephrine (NE) turnover, a biochemical index…”
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Effect of acute atenolol on short-term blood pressure variability and baroreflex sensitivity in rats by Neto, Edmundo Pereira de Souza, Frutoso, Jean, Somody, Laurence, Gharib, Claude, Fortrat, Jacques-Olivier

“…— Beta‐blocker therapy for hypertension or coronary artery disease is common, but there are a lot of controversies about its effects on short‐term blood…”
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Autonomic control of cardiovascular dynamics during weightlessness by Fortrat, Jacques-Olivier, Somody, Laurence, Gharib, Claude

“…Measuring cardiovascular dynamics is a new method of assessing the autonomic regulation of the cardiovascular system, it provides an easily-implemented…”
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